Mrass, VolkmarVolkmarMrassPeters, ChristophChristophPetersLeimeister, Jan MarcoJan MarcoLeimeister2023-04-132023-04-132017https://www.alexandria.unisg.ch/handle/20.500.14171/103306encomplex taskscrowdsourcingcrowdworkingcrowdworking platformsexternal platformsinternal platformsOne for All? Managing External and Internal Crowds through a Single Platform - A Case Studyconference paper